VAXen at home

William Donzelli wdonzelli at
Tue Oct 16 07:57:06 CDT 2007

> I found my 11/750 in a dusty corner of a warehouse...
> They do seem to be pretty reliable, after a lot of
> cleaning (it was filthy!) it powered up and sorta
> worked. The RDM board is bad, but that's not required
> to get the machine to run. It appears to be failure of
> the RAM on the RDM board, actually. Which of course is
> soldered to the board, and there is no diagnostic
> routine to find out which chip is bad...

Most (all?) RDMs for the VAX-11/750s were made from that odd circuit
board process where wires are laminated right to the board (the name
escapes me right now, and I will remember just after sending this).
Those boards could develop faults from the wires breaking.


More information about the cctech mailing list